TY - BOOK AU - Vourvopoulos,George ED - International Conference on Elemental Analysis of Coal and its By-Products TI - Elemental analysis of coal and its by-products: proceedings SN - 9810208596 U1 - 622.334 PY - 1992/// CY - [Singapore] PB - World Scientific KW - Coal mines and minig KW - Waste disposal KW - Congresses KW - Mines and mineral sources ER -